Upton was the last remaining survivor of the USS Utah. The battleship was at Pearl Harbor when the Japanese bombed the naval base in Hawaii on Dec. 7, 1941.
In 2020, Upton spoke with the AP and said he was beginning to shave when he felt the first torpedo hit his battleship many decades before. A second torpedo hit the ship and it began to capsize.
Upton, who was 22 at the time, swam ashore to Ford Island and hid to avoid Japanese planes. He said he was upset to lose so many surviving crew members over the years.
After Upton’s death, just 15 survivors of the Pearl Harbor attack are alive, the AP reported.